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Emerald|Lab Grown|IGI

1.73ct E SI1 Emerald Lab Grown Diamond

ID • E/SI1 • IGI LG701503478

Shape and cutting style on the report: Emerald cut

Certificate IGI LG701503478

Diamond specifications and retailer prices

From $236 USD
As of October 27, 2026
Save $1,554 USD (87%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $1,790 USD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.73ct lab-grown emerald diamond

This 1.73ct lab-grown emerald sits in the one-and-a-half to two carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG701503478 or 701503478. Listed at 15 retailers as of October 27, 2026, with prices from $236 to $1,790, a $1,554 spread on the same certified stone. Brilliant Earth lists it at $1,790. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.73
Carat
E
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle28.8°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG701503478
Dimensions8.35 × 5.70 × 3.80 mm
L/W Ratio1.46
Culet sizeLarge
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
8.35 mm5.70 mm1.73 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG701503478
Side View
Table 60.0%Crown 28.8°Girdle: MediumPavilion 41°Culet: LargeDepth 66.7%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 27
Current: $1,790 USD|Low: $227 USD|High: $1,850 USD|Avg: $649 USD|-3.2%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
October 29, 2026
Retailer 14$236 USD
Retailer 8$240 USD
Retailer 5$265 USD
Retailer 4$274 USD
Retailer 3$293 USD
Retailer 15$293 USD
Retailer 13$395 USD
Retailer 9$530 USD
Retailer 6$553 USD
Retailer 2$554 USD
Retailer 12$747 USD
Retailer 16$942 USD
Retailer 7$995 USD
Retailer 11$1,105 USD
Retailer 10$1,176 USD
Brilliant Earth$1,790 USD

42 data points across 16 retailers

15 retailers$236 USD to $1,790 USD

A
Cheapest Retailer
-
$236 USD
A
Retailer 2
-
$265 USD
View
Final sale: no returns
A
Retailer 3
-
$274 USD
View
A
Retailer 4
-
$293 USD
View
A
Retailer 5
-
$293 USD
View
B+
Retailer 6
-
$395 USD
View
B+
Retailer 7
-
$530 USD
€505 EUR
View
B+
Retailer 8
-
$553 USD
View
A
Retailer 9
-
$554 USD
£436 GBP
View
B
Retailer 10
-
$747 USD
View
B
Retailer 11
-
$942 USD
View
B
Retailer 12
-
$995 USD
View
B
Retailer 13
-
$1,105 USD
View
Price last confirmed 11 days ago
B
Retailer 14
-
$1,176 USD
£926 GBP
View
Most Expensive
B
Brilliant Earth
21312106A · Oct 29
$1,790 USD
View
14 more retailers have this diamond
Prices start from $236 USDSave up to $1,554 USD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
1.73ct Emerald
$236 USD